On 01/03/16 22:46, Andreas Färber wrote: > Am 01.03.2016 um 13:43 schrieb Andre Przywara: >> On 01/03/16 11:18, Andreas Färber wrote: >>> Am 01.03.2016 um 12:01 schrieb Andre Przywara: >>>> On 29/02/16 23:44, Andreas Färber wrote: >>>>> reg = <0x0 0xc4301000 0 0x1000>, >>>>> - <0x0 0xc4302000 0 0x0100>; >>>>> + <0x0 0xc4302000 0 0x0100>, >>>> >>>> Please use 0x2000 for the size here. I guess this is really the GIC-400 >>>> from ARM, and in this case this is the right size, [1] is the reference >>>> here. This will enable EOI mode 1 for KVM. >>> >>> Will test later. >>> >>> Is there any easy way to find out whether or not this is that GIC-400? >> >> If you can read registers: GICD_IIDR and PIDRx have some info: >> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0471b/CHDIFAEE.html >> So if your U-Boot for instance supports md, a dump of: >> md.l c4301008 1 >> md.l c4301fd0 30 >> >> would help to identify the GIC. > > gxb_p200_v1#md.l c4301008 1 > c4301008: 0200143b ;... > gxb_p200_v1#md.l c4301fd0 30 > c4301fd0: 00000004 00000000 00000000 00000000 ................ > c4301fe0: 00000090 000000b4 0000002b 00000000 ........+....... > c4301ff0: 0000000d 000000f0 00000005 000000b1 ................ > c4302000: 00000060 000000f0 00000003 000003ff `............... > c4302010: 00000000 000000ff 000003ff 00000000 ................ > c4302020: 00000000 00000000 00000000 00000000 ................ > c4302030: 00000000 00000000 00000000 00000000 ................ > c4302040: 00000000 00000000 00000000 00000000 ................ > c4302050: 00000000 00000000 00000000 00000000 ................ > c4302060: 00000000 00000000 00000000 00000000 ................ > c4302070: 00000000 00000000 00000000 00000000 ................ > c4302080: 00000000 00000000 00000000 00000000 ................ Yes, that matches exactly the values from the GIC-400 TRM. Thanks! Andre. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
